Pet toilet seat



FIG. 1 is a reduced front perspective view of a pet toilet seat according to the present design combined with a pet toilet base shown in broken lines to indicate that the pet toilet base forms no part of the claimed design;

FIG. 2 is a front perspective view of the pet toilet seat;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a back view of FIG. 2;

FIG. 5 is a side view of FIG. 2;

FIG. 6 is a cross sectional view taken along line 6—6 of FIG. 8;

FIG. 7 is a bottom view of FIG. 2;

FIG. 8 is a top view of FIG. 2;

FIG. 9 is a cross sectional view taken along line 9—9 of FIG. 8;

FIG. 10 is a reduced cross sectional view taken along line 10—10 of FIG. 8; and,

FIG. 11 is a cross sectional view taken along line 11—11 of FIG. 8. 

The ornamental design for a pet toilet seat, as shown and described. 